What is the value of a 1830 US half dime?

Values listed on the NumisMedia as of 4/12:

Very worn:46-51 dollars

Moderately worn:64-98 dollars

Slightly worn:180-228 dollars

Almost no ware-282-336 dollars

Uncirculated: 420-21,880 depending on the condition

Proof:7,380-66,880 again depending on the condition

Don't get your hopes up on getting 66,000 dollars. Coins of this type that are worth that much are extremely rare.